.container {
    height: calc(100% - 45px);
    width: 100%;
    display: flex;
    align-items: center;
}
.login-dialog {
    width: 400px;
    height: 430px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    margin: auto;
}
.login-dialog h3 {
    padding: 50px 0;
    text-align: center;
    font-family: 'Source Han Sans', sans-serif;
    font-size: 25px;
    color: #197B9E; /*浅绿色*/
}
.row {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;

}
.code-row {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: left;
}
.jump {
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: left;
}
span {
    display: block;
    font-weight: 700;
    width: 100px;
}
#username, #password {
    width: 200px;
    height: 40px;
    border-radius: 10px;
    border: none;
    outline: none;
    font-size: 20px;
    line-height: 40px;
    text-indent: 10px;
}
#code {
    width: 100px;
    height: 40px;
    border-radius: 10px;
    border: none;
    outline: none;
    font-size: 20px;
    line-height: 40px;
    text-indent: 10px;
}
#register, #login {
    width: 300px;
    height: 50px;
    color: white;
    background-color: aquamarine;
    border: none;
    border-radius: 10px;
    margin: auto;
    font-weight: 700;
    margin-top: 30px;
}
#register, #login:hover {
    cursor: pointer;
}
#register:active {
    background-color:rgb(0, 255, 174);
}
#login:active {
    background-color:rgb(0, 255, 174);
}
#href {
    text-decoration: none; /*去掉下划线*/
    color: black; /*设置默认颜色*/
}
#href:hover {
    text-decoration: underline; /*鼠标悬浮时加下划线*/
    color: blue; /*鼠标悬浮时设置颜色为蓝色*/
}
#captcha {
    width: 100px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 15px;
    font-weight: bold;
    text-align: center;
    background-color: #E8E8E8;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 10px;
}
    /* 防止选中文本 */
#captcha {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
/* 防止复制文本 */
#captcha::before {
    content: attr(data-captcha);
}
#captcha::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    opacity: 0;
    pointer-events: none;
}